The dart of Abaris
Abaris, the Scythian, was a priest of
Apollo; and the god gave him a golden arrow on which to ride through
the air. This dart rendered him invisible; it also cured diseases, and
gave oracles. Abaris gave it to Pythagoras.
“The dart of Abaris carried the philosopher wheresoever he desired it.”
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894